body {
  margin-top: 44px;
  padding-top: 12.9333vw;
  padding-bottom: 50px;
  background-color: #fff;
}

//顶部区域---------------------------------------
.class_head {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 999;
  width: 100%;
  background-color: #fff;


  // 分类头部区域------------------------------------
  .class_header {
    height: 44px;
    padding: 7px 3px;
    box-sizing: border-box;
    display: flex;
    justify-content: center;

    .class_header_title {
      width: 610px;
      height: 30px;
      text-align: center;
      line-height: 30px;
      font-size: 16px;
    }
  }

  // 搜索区域----------------------------------------
  .class_search {
    height: 12.9333vw;
    padding: 1.7333vw 1.7333vw 2.6667vw;
    box-sizing: border-box;

    .class_search_seek {
      height: 8.5333vw;
      border-radius: 4.2667vw;
      background-color: rgb(247, 247, 247);
      display: flex;
      align-items: center;
      justify-content: center;
      color: rgb(109, 109, 109);

      .iconfont {
        font-size: 4.6667vw;
        margin-right: 1.3333vw;
      }

      span:nth-child(2) {
        font-size: 3.7333vw;
      }
    }
  }
}

// 主体部分----------------------------------------
.class_main {
  display: flex;
  overflow: hidden;

  // 左侧区域----------------------------------------
  .class_main_left {
    overflow-y: auto;
    height: 78vh;

    &::-webkit-scrollbar {
      display: none;
    }

    ul {
      display: flex;
      flex-direction: column;
      text-align: center;
      line-height: 12vw;
      width: 22.9333vw;
      background-color: #f7f7f7;

      .active {
        background-color: #fff;

        a {
          color: rgb(250, 34, 9);
        }
      }

      li {
        display: flex;
        width: 100%;

        a {
          width: 100%;
          height: 100%;
          font-size: 3.7333vw;
        }
      }
    }
  }

  // 右侧区域----------------------------------------
  .class_main_right {
    flex: 1;
    overflow-y: auto;
    height: 78vh;

    margin: 0.9333vw 1.3333vw 0;
    background-color: #fff;

    &::-webkit-scrollbar {
      display: none;
    }

    ul {
      display: flex;
      flex-wrap: wrap;

      li {
        width: 33.33%;

        a {
          width: 100%;
          text-align: center;

          .class_main_pic {
            width: 20.5333vw;
            height: 20.5333vw;
            padding: 2.1333vw 2.1333vw 0.5333vw;

            img {
              height: 100%;
            }
          }

          .class_main_title {
            font-size: 3.4667vw;
            color: rgb(68, 68, 68);
            padding-bottom: 4vw;
          }
        }
      }
    }
  }
}